What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Please try increasing the width of the iframe 110% in the iframe embed code so that the borders will be displayed normally on the embedded page.
If you are using a frame from your website builder, you may try increasing the frame width to see the form is displayed correctly. After increasing the width, the form should be displayed on the page as below:
Hope this information helps!